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Commit | Line | Data |
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66116504 | 1 | #[cfg(feature="demuxer_gdv")] |
5869fd63 | 2 | pub mod gdv; |
66116504 | 3 | #[cfg(feature="demuxer_avi")] |
ca41f125 | 4 | pub mod avi; |
5869fd63 KS |
5 | |
6 | use std::fmt; | |
7 | use std::rc::Rc; | |
8 | use frame::*; | |
66116504 | 9 | use std::collections::HashMap; |
5869fd63 KS |
10 | use io::byteio::*; |
11 | ||
20ef4353 | 12 | #[derive(Debug,Clone,Copy)] |
5869fd63 KS |
13 | #[allow(dead_code)] |
14 | pub enum StreamType { | |
15 | Video, | |
16 | Audio, | |
17 | Subtitles, | |
18 | Data, | |
83e603fa | 19 | None, |
5869fd63 KS |
20 | } |
21 | ||
22 | impl fmt::Display for StreamType { | |
23 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | |
24 | match *self { | |
25 | StreamType::Video => write!(f, "Video"), | |
26 | StreamType::Audio => write!(f, "Audio"), | |
27 | StreamType::Subtitles => write!(f, "Subtitles"), | |
28 | StreamType::Data => write!(f, "Data"), | |
83e603fa | 29 | StreamType::None => write!(f, "-"), |
5869fd63 KS |
30 | } |
31 | } | |
32 | } | |
33 | ||
34 | ||
35 | #[allow(dead_code)] | |
20ef4353 | 36 | #[derive(Clone)] |
8869d452 | 37 | pub struct NAStream { |
5869fd63 KS |
38 | media_type: StreamType, |
39 | id: u32, | |
20ef4353 | 40 | num: usize, |
8869d452 | 41 | info: Rc<NACodecInfo>, |
5869fd63 KS |
42 | } |
43 | ||
8869d452 KS |
44 | impl NAStream { |
45 | pub fn new(mt: StreamType, id: u32, info: NACodecInfo) -> Self { | |
20ef4353 | 46 | NAStream { media_type: mt, id: id, num: 0, info: Rc::new(info) } |
5869fd63 KS |
47 | } |
48 | pub fn get_id(&self) -> u32 { self.id } | |
20ef4353 KS |
49 | pub fn get_num(&self) -> usize { self.num } |
50 | pub fn set_num(&mut self, num: usize) { self.num = num; } | |
8869d452 | 51 | pub fn get_info(&self) -> Rc<NACodecInfo> { self.info.clone() } |
5869fd63 KS |
52 | } |
53 | ||
8869d452 | 54 | impl fmt::Display for NAStream { |
5869fd63 | 55 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
83e603fa | 56 | write!(f, "({}#{} - {})", self.media_type, self.id, self.info.get_properties()) |
5869fd63 KS |
57 | } |
58 | } | |
59 | ||
60 | #[allow(dead_code)] | |
8869d452 KS |
61 | pub struct NAPacket { |
62 | stream: Rc<NAStream>, | |
5869fd63 KS |
63 | pts: Option<u64>, |
64 | dts: Option<u64>, | |
65 | duration: Option<u64>, | |
66 | buffer: Rc<Vec<u8>>, | |
67 | keyframe: bool, | |
68 | // options: HashMap<String, NAValue<'a>>, | |
69 | } | |
70 | ||
8869d452 KS |
71 | impl NAPacket { |
72 | pub fn new(str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, vec: Vec<u8>) -> Self { | |
5869fd63 KS |
73 | // let mut vec: Vec<u8> = Vec::new(); |
74 | // vec.resize(size, 0); | |
75 | NAPacket { stream: str, pts: pts, dts: dts, duration: dur, keyframe: kf, buffer: Rc::new(vec) } | |
76 | } | |
8869d452 | 77 | pub fn get_stream(&self) -> Rc<NAStream> { self.stream.clone() } |
5869fd63 | 78 | pub fn get_pts(&self) -> Option<u64> { self.pts } |
66116504 KS |
79 | pub fn get_dts(&self) -> Option<u64> { self.dts } |
80 | pub fn get_duration(&self) -> Option<u64> { self.duration } | |
81 | pub fn is_keyframe(&self) -> bool { self.keyframe } | |
5869fd63 KS |
82 | pub fn get_buffer(&self) -> Rc<Vec<u8>> { self.buffer.clone() } |
83 | } | |
84 | ||
66116504 KS |
85 | impl Drop for NAPacket { |
86 | fn drop(&mut self) {} | |
87 | } | |
88 | ||
8869d452 | 89 | impl fmt::Display for NAPacket { |
5869fd63 KS |
90 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
91 | let mut foo = format!("[pkt for {} size {}", self.stream, self.buffer.len()); | |
92 | if let Some(pts) = self.pts { foo = format!("{} pts {}", foo, pts); } | |
93 | if let Some(dts) = self.dts { foo = format!("{} dts {}", foo, dts); } | |
94 | if let Some(dur) = self.duration { foo = format!("{} duration {}", foo, dur); } | |
95 | if self.keyframe { foo = format!("{} kf", foo); } | |
96 | foo = foo + "]"; | |
97 | write!(f, "{}", foo) | |
98 | } | |
99 | } | |
100 | ||
101 | #[derive(Debug)] | |
102 | #[allow(dead_code)] | |
103 | pub enum DemuxerError { | |
104 | EOF, | |
105 | NoSuchInput, | |
106 | InvalidData, | |
107 | IOError, | |
108 | NotImplemented, | |
109 | MemoryError, | |
110 | } | |
111 | ||
112 | type DemuxerResult<T> = Result<T, DemuxerError>; | |
113 | ||
20ef4353 | 114 | pub trait Demux<'a> { |
5869fd63 | 115 | fn open(&mut self) -> DemuxerResult<()>; |
66116504 KS |
116 | fn get_num_streams(&self) -> usize; |
117 | fn get_stream(&self, idx: usize) -> Option<Rc<NAStream>>; | |
5869fd63 KS |
118 | fn get_frame(&mut self) -> DemuxerResult<NAPacket>; |
119 | fn seek(&mut self, time: u64) -> DemuxerResult<()>; | |
120 | } | |
121 | ||
8869d452 KS |
122 | pub trait NAPacketReader { |
123 | fn read_packet(&mut self, str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, keyframe: bool, size: usize) -> DemuxerResult<NAPacket>; | |
5869fd63 KS |
124 | fn fill_packet(&mut self, pkt: &mut NAPacket) -> DemuxerResult<()>; |
125 | } | |
126 | ||
8869d452 KS |
127 | impl<'a> NAPacketReader for ByteReader<'a> { |
128 | fn read_packet(&mut self, str: Rc<NAStream>, pts: Option<u64>, dts: Option<u64>, dur: Option<u64>, kf: bool, size: usize) -> DemuxerResult<NAPacket> { | |
5869fd63 KS |
129 | let mut buf: Vec<u8> = Vec::with_capacity(size); |
130 | if buf.capacity() < size { return Err(DemuxerError::MemoryError); } | |
131 | buf.resize(size, 0); | |
132 | let res = self.read_buf(buf.as_mut_slice()); | |
133 | if let Err(_) = res { return Err(DemuxerError::IOError); } | |
5869fd63 KS |
134 | let pkt = NAPacket::new(str, pts, dts, dur, kf, buf); |
135 | Ok(pkt) | |
136 | } | |
137 | fn fill_packet(&mut self, pkt: &mut NAPacket) -> DemuxerResult<()> { | |
138 | let mut refbuf = pkt.get_buffer(); | |
139 | let mut buf = Rc::make_mut(&mut refbuf); | |
140 | let res = self.read_buf(buf.as_mut_slice()); | |
141 | if let Err(_) = res { return Err(DemuxerError::IOError); } | |
5869fd63 KS |
142 | Ok(()) |
143 | } | |
144 | } | |
145 | ||
20ef4353 KS |
146 | pub struct Demuxer { |
147 | streams: Vec<Rc<NAStream>>, | |
148 | } | |
149 | ||
150 | impl Demuxer { | |
151 | pub fn new() -> Self { Demuxer { streams: Vec::new() } } | |
152 | pub fn add_stream(&mut self, stream: NAStream) -> Option<usize> { | |
153 | let stream_num = self.streams.len(); | |
154 | let mut str = stream.clone(); | |
155 | str.set_num(stream_num); | |
156 | self.streams.push(Rc::new(str)); | |
157 | Some(stream_num) | |
158 | } | |
159 | pub fn get_stream(&self, idx: usize) -> Option<Rc<NAStream>> { | |
160 | if idx < self.streams.len() { | |
161 | Some(self.streams[idx].clone()) | |
162 | } else { | |
163 | None | |
164 | } | |
165 | } | |
166 | pub fn get_stream_by_id(&self, id: u32) -> Option<Rc<NAStream>> { | |
167 | for i in 0..self.streams.len() { | |
168 | if self.streams[i].get_id() == id { | |
169 | return Some(self.streams[i].clone()); | |
170 | } | |
171 | } | |
172 | None | |
173 | } | |
66116504 | 174 | pub fn get_num_streams(&self) -> usize { self.streams.len() } |
5869fd63 KS |
175 | } |
176 | ||
177 | impl From<ByteIOError> for DemuxerError { | |
178 | fn from(_: ByteIOError) -> Self { DemuxerError::IOError } | |
179 | } | |
180 | ||
66116504 KS |
181 | pub trait FrameFromPacket { |
182 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>) -> NAFrame; | |
183 | fn fill_timestamps(&mut self, pkt: &NAPacket); | |
184 | } | |
185 | ||
186 | impl FrameFromPacket for NAFrame { | |
187 | fn new_from_pkt(pkt: &NAPacket, info: Rc<NACodecInfo>) -> NAFrame { | |
188 | NAFrame::new(pkt.pts, pkt.dts, pkt.duration, info, HashMap::new()) | |
189 | } | |
190 | fn fill_timestamps(&mut self, pkt: &NAPacket) { | |
191 | self.set_pts(pkt.pts); | |
192 | self.set_dts(pkt.dts); | |
193 | self.set_duration(pkt.duration); | |
194 | } | |
195 | } | |
eb71d98f KS |
196 | |
197 | pub trait DemuxerCreator { | |
198 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<Demux<'a> + 'a>; | |
199 | fn get_name(&self) -> &'static str; | |
200 | } | |
201 | ||
202 | const DEMUXERS: &[&'static DemuxerCreator] = &[ | |
203 | #[cfg(feature="demuxer_avi")] | |
204 | &avi::AVIDemuxerCreator {}, | |
205 | #[cfg(feature="demuxer_gdv")] | |
206 | &gdv::GDVDemuxerCreator {}, | |
207 | ]; | |
208 | ||
209 | pub fn find_demuxer(name: &str) -> Option<&DemuxerCreator> { | |
210 | for i in 0..DEMUXERS.len() { | |
211 | if DEMUXERS[i].get_name() == name { | |
212 | return Some(DEMUXERS[i]); | |
213 | } | |
214 | } | |
215 | None | |
216 | } |